| /******************************************************************************* |
| * Copyright (c) 2006, 2010 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.ui.internal.details; |
| |
| import org.eclipse.jpt.common.ui.internal.JptCommonUiMessages; |
| import org.eclipse.jpt.common.ui.internal.widgets.Pane; |
| import org.eclipse.jpt.common.utility.internal.model.value.PropertyAspectAdapter; |
| import org.eclipse.jpt.common.utility.internal.model.value.TransformationPropertyValueModel; |
| import org.eclipse.jpt.common.utility.model.value.PropertyValueModel; |
| import org.eclipse.jpt.common.utility.model.value.WritablePropertyValueModel; |
| import org.eclipse.jpt.jpa.core.context.OptionalMapping; |
| import org.eclipse.jpt.jpa.ui.internal.JpaHelpContextIds; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * This composite simply shows a tri-state check box for the Optional option. |
| * |
| * @see BasicMapping |
| * @see BasicMappingComposite - A container of this pane |
| * @see ManyToOneMappingComposite - A container of this pane |
| * @see OneToOneMappingComposite - A container of this pane |
| * |
| * @version 1.0 |
| * @since 2.0 |
| */ |
| public class OptionalComposite extends Pane<OptionalMapping> |
| { |
| /** |
| * Creates a new <code>OptionalComposite</code>. |
| * |
| * @param parentPane The parent container of this one |
| * @param parent The parent container |
| */ |
| public OptionalComposite(Pane<? extends OptionalMapping> parentPane, |
| Composite parent) |
| { |
| super(parentPane, parent); |
| } |
| |
| @Override |
| protected void initializeLayout(Composite container) { |
| |
| addTriStateCheckBoxWithDefault( |
| addSubPane(container, 4), |
| JptUiDetailsMessages.BasicGeneralSection_optionalLabel, |
| buildOptionalHolder(), |
| buildOptionalStringHolder(), |
| JpaHelpContextIds.MAPPING_OPTIONAL |
| ); |
| } |
| private WritablePropertyValueModel<Boolean> buildOptionalHolder() { |
| return new PropertyAspectAdapter<OptionalMapping, Boolean>(getSubjectHolder(), OptionalMapping.SPECIFIED_OPTIONAL_PROPERTY) { |
| @Override |
| protected Boolean buildValue_() { |
| return this.subject.getSpecifiedOptional(); |
| } |
| |
| @Override |
| protected void setValue_(Boolean value) { |
| this.subject.setSpecifiedOptional(value); |
| } |
| }; |
| } |
| |
| private PropertyValueModel<String> buildOptionalStringHolder() { |
| return new TransformationPropertyValueModel<Boolean, String>(buildDefaultOptionalHolder()) { |
| @Override |
| protected String transform(Boolean value) { |
| if (value != null) { |
| String defaultStringValue = value.booleanValue() ? JptCommonUiMessages.Boolean_True : JptCommonUiMessages.Boolean_False; |
| return NLS.bind(JptUiDetailsMessages.BasicGeneralSection_optionalLabelDefault, defaultStringValue); |
| } |
| return JptUiDetailsMessages.BasicGeneralSection_optionalLabel; |
| } |
| }; |
| } |
| |
| |
| private PropertyValueModel<Boolean> buildDefaultOptionalHolder() { |
| return new PropertyAspectAdapter<OptionalMapping, Boolean>( |
| getSubjectHolder(), |
| OptionalMapping.SPECIFIED_OPTIONAL_PROPERTY, |
| OptionalMapping.DEFAULT_OPTIONAL_PROPERTY) |
| { |
| @Override |
| protected Boolean buildValue_() { |
| if (this.subject.getSpecifiedOptional() != null) { |
| return null; |
| } |
| return Boolean.valueOf(this.subject.isDefaultOptional()); |
| } |
| }; |
| } |
| } |